This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
您好，
您可以确认S1 pin 和D pin 是导通的吗？如果是的话，可能 TMUX1119已经损坏，因为其导通电阻典型值为1.8Ω ，而其两端电压为1V（1.2V-0.2V），相当于1V/1.8Ω=500mA的电流流过了这个开关路径，而其S和D管脚允许的持续电流是±30mA，因此，很可能TMUX1119已经损坏。
